Description
Inert Russian WWII sea mine Hertz horn (contact fuze). When crushed by contact with a ship the chemicals mix (sulfuric acid / potassium perchlorate + sugar / electrolytes) to make a battery setting off the mine. Different versions of the firing pin would include an all electric circuit.
Approx length 8", Approx width 3", Approx weight 2.5lbs.
Pictures are of the actual item you will receive.
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